Principal Software Engineer

San Jose or LA CA (Hybrid) At Flo Qast, we’re redefining how accounting teams operate through AI‑native workflows. Trusted by thousands of global companies, our platform is an operating system for accounting and transforms complex financial processes into fast, reliable, and scalable systems.

We’re looking for a Principal Software Engineer who doesn’t just build software — but shapes platforms, accelerates teams, and drives step‑function impact. This is a high‑leverage role where your architectural decisions will influence the entire Flo Qast application ecosystem and directly accelerate innovation across our products.

• Design and deliver core platform capabilities powering Flo Qast applications
• Define system architecture and functional specifications
• Build highly scalable, distributed systems for enterprise customers

• Lead complex design discussions and establish engineering best practices
• Drive improvements in reliability, performance, and developer experience
• Own critical technical decisions that shape platform direction

• Work closely with Product and Design to shape the roadmap
• Engage directly with customers and stakeholders to understand workflows
• Translate ambiguity into clear, executable technical strategy

• Mentor senior engineers and elevate technical depth across the org
• Lead through influence, not authority
• Create leverage through reusable platform investments

• 15+ years building and shipping complex software systems
• Proven track record driving large‑scale technical initiatives end‑to‑end
• History of mentoring and raising the bar for engineering teams

• Strong expertise across modern backend stacks
• Go, Node.js
• Mongo
  
  DB and AWS
• Deep experience designing distributed systems at enterprise scale
• Strong API design and platform thinking
• Solid understanding of security and compliance in SaaS environments

• Strong product intuition — you balance elegance with business impact
• Comfortable navigating ambiguity and moving from idea → production
• Customer‑obsessed and outcome‑driven

• Fintech, accounting, or enterprise SaaS experience
• Familiarity with ERP or accounting workflows
• Background in workflow automation platforms

• Flo Qast is the leading Accounting Transformation Platform, built by accountants for accountants, helping teams automate and modernize financial workflows with AI.
• We’re consistently recognized as a Best Place to Work and continue to scale rapidly with a strong product‑market fit.

• Unwaveringly Authentic
• Ambitious with Integrity
• Empowered to Grow
• Committed to Collaboration
• Customer Obsessed in All Ways

• Shape the architecture of a fast‑growing AI platform
• Work on problems with real enterprise scale
• Move fast with high ownership
• And build systems that matter…

We’d love to talk.

This job posting is for our Staff Software Engineer, the base pay range for this position is $185,000 - $301,000. Compensation is not limited to base salary. Flo Qast values our Total Rewards, and offers a competitive and elaborate Benefits Package including, but not limited to, Medical, Dental, Vision, Family Forming benefits, Life & Disability Insurance, and Unlimited Vacation. Flo Qast reserves the right to amend, change, alter, and revise pay ranges and benefits offerings at any time.

All applicants acknowledge that by applying to this position you understand that this specific pay range is contingent upon meeting the qualifications and requirements of the role, and for the successful completion of the interview selection and process. It is at the Company’s discretion to determine what pay is provided to a candidate within the range associated with the role.

Flo Qast is the leading Accounting Transformation Platform in accounting workflow automation created by actual former accountants for accountants. By streamlining and modernizing daily accounting tasks, Flo Qast helps teams collaborate more effectively and complete their work with greater efficiency and precision. This cloud‑based, AI‑powered software is trusted by over 3,000 accounting teams, including…